|Description||This data set maps and describes the geology of the Perris 7.5' quadrangle, Riverside County, California. Created using Environmental Systems Research Institute's ARC/INFO software, the data base consists of the following items: (1) a map coverage conta|
|Originators||Morton, Douglas M.|
|Publication||U.S. Geological Survey Open-File Report 03-270|
Polygon delineating the planimetric area of a landslide found in coverages whose names begin with ls, ols, or yls
|LS||Some regions within landslides were apparently unaffected by the landslide (that is, they represent areas bypassed by the landslide but are within its outer boundaries) This attribute is used to distinguish those areas from the landslide itself.|
Polygon in the mm coverages, used to indicate the method by which landslides were identified, found in coverages whose names begin with mm.